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1 fix:gitee issues/I9163G 逻辑删除时 保证前面的条件被括号包裹。增加对应的单元测试。

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2 修改BaseQueryWrapper的setWhereQueryCondition方法实际功能与方法名不同,原先调用处改为调用重载的addWhereQueryCondition。并且新增真正的setWhereQueryCondition用来替换whereQueryCondition字段。
3 QueryWrapper的join新增一个直接接受QueryTable的重载方法，用于自连接时可以重用一个声明了别名的QueryTable对象。
4 QueryWrapper增加conditionIsEmpty方法判断条件是否为空。
关联的增强提案：
https://gitee.com/mybatis-flex/mybatis-flex/issues/I8HC0I
This commit is contained in:
SWQXDBA 2024-03-07 16:52:21 +08:00
parent b3dfd39064
commit fa63aa1d7f
6 changed files with 140 additions and 8 deletions
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10
mybatis-flex-core/src/main/java/com/mybatisflex/core/logicdelete/AbstractLogicDeleteProcessor.java
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@ -16,9 +16,7 @@
package com.mybatisflex.core.logicdelete;
import com.mybatisflex.core.dialect.IDialect;
import com.mybatisflex.core.query.QueryColumn;
import com.mybatisflex.core.query.QueryTable;
import com.mybatisflex.core.query.QueryWrapper;
import com.mybatisflex.core.query.*;
import com.mybatisflex.core.table.TableInfo;
import static com.mybatisflex.core.constant.SqlConsts.EQUALS;
@ -45,6 +43,12 @@ public abstract class AbstractLogicDeleteProcessor implements LogicDeleteProcess
public void buildQueryCondition(QueryWrapper queryWrapper, TableInfo tableInfo, String joinTableAlias) {
QueryTable queryTable = new QueryTable(tableInfo.getSchema(), tableInfo.getTableName()).as(joinTableAlias);
QueryColumn queryColumn = new QueryColumn(queryTable, tableInfo.getLogicDeleteColumn());
//逻辑删除时 保证前面的条件被括号包裹 fix:https://gitee.com/mybatis-flex/mybatis-flex/issues/I9163G
final QueryCondition whereCondition = CPI.getWhereQueryCondition(queryWrapper);
if (whereCondition != null && !(whereCondition instanceof Brackets)) {
QueryCondition wrappedCondition = new Brackets(whereCondition);
CPI.setWhereQueryCondition(queryWrapper, wrappedCondition);
}
queryWrapper.and(queryColumn.eq(getLogicNormalValue()));
}

6
mybatis-flex-core/src/main/java/com/mybatisflex/core/query/BaseQueryWrapper.java
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@ -94,8 +94,12 @@ public class BaseQueryWrapper<T extends BaseQueryWrapper<T>> implements CloneSup
return (T) this;
}
protected T setWhereQueryCondition(QueryCondition queryCondition) {
whereQueryCondition = queryCondition;
return (T) this;
}
protected T addWhereQueryCondition(QueryCondition queryCondition) {
if (queryCondition != null) {
if (whereQueryCondition != null) {
queryCondition.connect(whereQueryCondition, SqlConnector.AND);

4
mybatis-flex-core/src/main/java/com/mybatisflex/core/query/CPI.java
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@ -145,10 +145,12 @@ public class CPI {
public static QueryCondition getWhereQueryCondition(QueryWrapper queryWrapper) {
return queryWrapper.getWhereQueryCondition();
}
public static void setWhereQueryCondition(QueryWrapper queryWrapper, QueryCondition queryCondition) {
queryWrapper.setWhereQueryCondition(queryCondition);
}
public static void addWhereQueryCondition(QueryWrapper queryWrapper, QueryCondition queryCondition) {
queryWrapper.addWhereQueryCondition(queryCondition);
}
public static void addWhereQueryCondition(QueryWrapper queryWrapper, QueryCondition queryCondition, SqlConnector connector) {
queryWrapper.addWhereQueryCondition(queryCondition, connector);

45
mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryWrapper.java
View File

@ -246,17 +246,17 @@ public class QueryWrapper extends BaseQueryWrapper<QueryWrapper> {
}
public QueryWrapper where(QueryCondition queryCondition) {
this.setWhereQueryCondition(queryCondition);
this.addWhereQueryCondition(queryCondition);
return this;
}
public QueryWrapper where(String sql) {
this.setWhereQueryCondition(new RawQueryCondition(sql));
this.addWhereQueryCondition(new RawQueryCondition(sql));
return this;
}
public QueryWrapper where(String sql, Object... params) {
this.setWhereQueryCondition(new RawQueryCondition(sql, params));
this.addWhereQueryCondition(new RawQueryCondition(sql, params));
return this;
}
@ -399,6 +399,9 @@ public class QueryWrapper extends BaseQueryWrapper<QueryWrapper> {
return this;
}
public <Q extends QueryWrapper> Joiner<Q> leftJoin(QueryTable table) {
return joining(SqlConsts.LEFT_JOIN, table, true);
}
public <Q extends QueryWrapper> Joiner<Q> leftJoin(String table) {
return joining(SqlConsts.LEFT_JOIN, new QueryTable(table), true);
@ -432,6 +435,10 @@ public class QueryWrapper extends BaseQueryWrapper<QueryWrapper> {
return joining(SqlConsts.LEFT_JOIN, table, when);
}
public <Q extends QueryWrapper> Joiner<Q> rightJoin(QueryTable table) {
return joining(SqlConsts.RIGHT_JOIN, table, true);
}
public <Q extends QueryWrapper> Joiner<Q> rightJoin(String table) {
return joining(SqlConsts.RIGHT_JOIN, new QueryTable(table), true);
}
@ -464,6 +471,10 @@ public class QueryWrapper extends BaseQueryWrapper<QueryWrapper> {
return joining(SqlConsts.RIGHT_JOIN, table, when);
}
public <Q extends QueryWrapper> Joiner<Q> innerJoin(QueryTable table) {
return joining(SqlConsts.INNER_JOIN, table, true);
}
public <Q extends QueryWrapper> Joiner<Q> innerJoin(String table) {
return joining(SqlConsts.INNER_JOIN, new QueryTable(table), true);
}
@ -496,6 +507,10 @@ public class QueryWrapper extends BaseQueryWrapper<QueryWrapper> {
return joining(SqlConsts.INNER_JOIN, table, when);
}
public <Q extends QueryWrapper> Joiner<Q> fullJoin(QueryTable table) {
return joining(SqlConsts.FULL_JOIN, table, true);
}
public <Q extends QueryWrapper> Joiner<Q> fullJoin(String table) {
return joining(SqlConsts.FULL_JOIN, new QueryTable(table), true);
}
@ -528,6 +543,10 @@ public class QueryWrapper extends BaseQueryWrapper<QueryWrapper> {
return joining(SqlConsts.FULL_JOIN, table, when);
}
public <Q extends QueryWrapper> Joiner<Q> crossJoin(QueryTable table) {
return joining(SqlConsts.CROSS_JOIN, table, true);
}
public <Q extends QueryWrapper> Joiner<Q> crossJoin(String table) {
return joining(SqlConsts.CROSS_JOIN, new QueryTable(table), true);
}
@ -560,6 +579,10 @@ public class QueryWrapper extends BaseQueryWrapper<QueryWrapper> {
return joining(SqlConsts.CROSS_JOIN, table, when);
}
public <Q extends QueryWrapper> Joiner<Q> join(QueryTable table) {
return joining(SqlConsts.JOIN, table, true);
}
public <Q extends QueryWrapper> Joiner<Q> join(String table) {
return joining(SqlConsts.JOIN, new QueryTable(table), true);
}
@ -2277,6 +2300,22 @@ public class QueryWrapper extends BaseQueryWrapper<QueryWrapper> {
return this;
}
/**
* 判断包含的where条件是否为空
* @return true: 为空 false: 不为空
*/
public boolean conditionIsEmpty(){
return whereQueryCondition == null || !whereQueryCondition.checkEffective();
}
/**
* 判断包含的where条件是否不为空
* @return true: 不为空 false: 为空
*/
public boolean conditionIsNotEmpty(){
return !conditionIsEmpty();
}
////////内部方法////////

33
mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryWrapperAdapter.java
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@ -268,6 +268,13 @@ public class QueryWrapperAdapter<R extends QueryWrapperAdapter<R>> extends Query
return (R) this;
}
@Override
public <Q extends QueryWrapper> Joiner<Q> leftJoin(QueryTable table) {
return super.leftJoin(table);
}
@Override
public Joiner<R> leftJoin(String table) {
return super.leftJoin(table);
@ -308,6 +315,12 @@ public class QueryWrapperAdapter<R extends QueryWrapperAdapter<R>> extends Query
return super.leftJoin(table, when);
}
@Override
public <Q extends QueryWrapper> Joiner<Q> rightJoin(QueryTable table) {
return super.rightJoin(table);
}
@Override
public Joiner<R> rightJoin(String table) {
return super.rightJoin(table);
@ -348,6 +361,11 @@ public class QueryWrapperAdapter<R extends QueryWrapperAdapter<R>> extends Query
return super.rightJoin(table, when);
}
@Override
public <Q extends QueryWrapper> Joiner<Q> innerJoin(QueryTable table) {
return super.innerJoin(table);
}
@Override
public Joiner<R> innerJoin(String table) {
return super.innerJoin(table);
@ -388,6 +406,11 @@ public class QueryWrapperAdapter<R extends QueryWrapperAdapter<R>> extends Query
return super.innerJoin(table, when);
}
@Override
public <Q extends QueryWrapper> Joiner<Q> fullJoin(QueryTable table) {
return super.fullJoin(table);
}
@Override
public Joiner<R> fullJoin(String table) {
return super.fullJoin(table);
@ -428,6 +451,11 @@ public class QueryWrapperAdapter<R extends QueryWrapperAdapter<R>> extends Query
return super.fullJoin(table, when);
}
@Override
public <Q extends QueryWrapper> Joiner<Q> crossJoin(QueryTable table) {
return super.crossJoin(table);
}
@Override
public Joiner<R> crossJoin(String table) {
return super.crossJoin(table);
@ -468,6 +496,11 @@ public class QueryWrapperAdapter<R extends QueryWrapperAdapter<R>> extends Query
return super.crossJoin(table, when);
}
@Override
public <Q extends QueryWrapper> Joiner<Q> join(QueryTable table) {
return super.join(table);
}
@Override
public Joiner<R> join(String table) {
return super.join(table);

50
mybatis-flex-core/src/test/java/com/mybatisflex/coretest/LogicDeleteTest.java
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@ -18,13 +18,19 @@ package com.mybatisflex.coretest;
import com.mybatisflex.core.dialect.DialectFactory;
import com.mybatisflex.core.dialect.IDialect;
import com.mybatisflex.core.logicdelete.LogicDeleteManager;
import com.mybatisflex.core.logicdelete.LogicDeleteProcessor;
import com.mybatisflex.core.logicdelete.impl.*;
import com.mybatisflex.core.query.*;
import com.mybatisflex.core.table.TableInfo;
import com.mybatisflex.core.table.TableInfoFactory;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collections;
import static org.junit.Assert.assertEquals;
/**
* 逻辑删除测试。
*
@ -35,6 +41,7 @@ import static org.junit.Assert.assertEquals;
public class LogicDeleteTest {
private final String logicColumn = "deleted";
private final IDialect dialect = DialectFactory.getDialect();
@Test
@ -60,4 +67,47 @@ public class LogicDeleteTest {
assertEquals(actualLogicNormalCondition, logicNormalCondition);
}
//逻辑删除时 保证前面的条件被括号包裹
//https://gitee.com/mybatis-flex/mybatis-flex/issues/I9163G
@Test
public void giteeIssueI9163G() {
TableInfo userTableInfo = new TableInfo();
userTableInfo.setTableName("user");
userTableInfo.setLogicDeleteColumn("deleted");
QueryTable userTable = new QueryTable("user");
QueryColumn userRoleId = new QueryColumn(userTable, "role_id");
TableInfo roleTableInfo = new TableInfo();
roleTableInfo.setTableName("role");
roleTableInfo.setLogicDeleteColumn("deleted");
QueryTable roleTable = new QueryTable("role");
QueryColumn roleId = new QueryColumn(roleTable, "id");
QueryWrapper queryWrapper = new QueryWrapper()
.select("1")
.from(userTable)
.leftJoin(roleTable).on(userRoleId.eq(roleId).or(roleId.ne(0)))
.where(userRoleId.eq(1));
DefaultLogicDeleteProcessor processor = new DefaultLogicDeleteProcessor();
processor.buildQueryCondition(queryWrapper, userTableInfo, "user");
QueryCondition whereQueryCondition = CPI.getWhereQueryCondition(queryWrapper);
String whereSql = whereQueryCondition.toSql(Arrays.asList(userTable,roleTable), dialect);
assertEquals("(`user`.`role_id` = ?) AND `user`.`deleted` = ?", whereSql);
Join join = CPI.getJoins(queryWrapper).get(0);
QueryCondition joinQueryCondition = CPI.getJoinQueryCondition(join);
QueryWrapper joinQueryWrapper = QueryWrapper.create()
.where(joinQueryCondition);
processor.buildQueryCondition(joinQueryWrapper, roleTableInfo, "role");
QueryCondition joinCondition = CPI.getWhereQueryCondition(joinQueryWrapper);
String joinSql = joinCondition.toSql(Arrays.asList(userTable,roleTable), dialect);
assertEquals("(`user`.`role_id` = `role`.`id` OR `role`.`id` != ?) AND `role`.`deleted` = ?", joinSql);
}
}